Isinyithi esisangqa isinyithi olujikelezayo luhlobo lwezinto ezide, kwaye luhlobo lwebar. Okubizwa ngokuba yintsimbi engenasici engqukuva yentsimbi kubhekisa kwizinto ezinde ezinesetyhula enqamlezileyo, ejikeleze malunga neemitha ezine ubude. Inokwahlulahlulwa ibe kukukhanya okujikelezileyo kunye nentonga emnyama. Oko kubizwa ngokuba kukujikeleza, kubhekisa kumphezulu ogudileyo, emva konyango oluqengqelekayo lwe-quasi ukusuka; Kwaye oko kubizwa ngokuba yibar emnyama, kubhekisa kumphezulu wobungqindilili obumnyama, ngokuthe ngqo kukuqengqeleka okushushu.